On Mon, Jun 10, 2019 at 11:26:04PM +0200, Christian Brauner wrote:
[...]
> Over time I have seen multiple reports by users who want to run applications
> (Kubernetes e.g. via [1]) that require the br_netfilter module in
> non-initial network namespaces. There are *a lot* of issues for this. A
> shortlist including ChromeOS and other big users is found below under
> [2]! Even non-devs already tried to get more traction on this by
> commenting on the patchset (cf. [3]).
>
> Currently, the /proc/sys/net/bridge folder is only created in the
> initial network namespace. This patch series ensures that the
> /proc/sys/net/bridge folder is available in each network namespace if
> the module is loaded and disappears from all network namespaces when the
> module is unloaded.